CN103894886A - Gauge block and method for positioning to-be-machined piece in machining center - Google Patents

Gauge block and method for positioning to-be-machined piece in machining center Download PDF

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Publication number
CN103894886A
CN103894886A CN201410131973.9A CN201410131973A CN103894886A CN 103894886 A CN103894886 A CN 103894886A CN 201410131973 A CN201410131973 A CN 201410131973A CN 103894886 A CN103894886 A CN 103894886A
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CN
China
Prior art keywords
coordinate
gauge block
axis
machining
processed
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410131973.9A
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Chinese (zh)
Inventor
刘俊飞
何瑞卿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN SKYWORTH PRECISION TECHNOLOGY Co Ltd
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SHENZHEN SKYWORTH PRECISION TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENZHEN SKYWORTH PRECISION TECHNOLOGY Co Ltd filed Critical SHENZHEN SKYWORTH PRECISION TECHNOLOGY Co Ltd
Priority to CN201410131973.9A priority Critical patent/CN103894886A/en
Publication of CN103894886A publication Critical patent/CN103894886A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/22Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
    • B23Q17/2233Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool relative to the workpiece

Abstract

The invention discloses a gauge block. The gauge block comprises a body, wherein the body is formed by rotating around a rotary shaft and comprises an initial surface, a termination surface and a peripheral surface, wherein the peripheral surface is connected with the initial surface and the termination surface; a notch is formed between the initial surface and the termination surface; the plane of the initial surface and the plane of the termination surface are coplanar with the rotary shaft; the distance from each point on the periphery surface to the rotary shaft is a preset radius; and an included angle between the initial surface and the termination surface is smaller than 180 degrees. The invention also discloses a method for positioning a to-be-machined piece in a machining center by using the gauge block. Coordinates of the to-be-machined piece are acquired by using the gauge block, the precision is high, the to-be-machine piece is aligned with the machining center conveniently, and the positioning efficiency and the positioning precision can be greatly improved.

Description

Gauge block and to be processed the localization method that work in-process is intracardiac
Technical field
The present invention relates to machining center technical field, relate in particular to gauge block and to be processed the localization method that work in-process is intracardiac.
Background technology
At production with in manufacturing, conventionally can process to be processed with machining center.Utilize machining center to process, the cutter in machining center, in the time of rotation status at a high speed, moves according to predefined paths, and cut to be processed in this moving process, thereby make to be processed to have required shape.Those skilled in the art understand, and in existing digitlization processing, the position of the main shaft of machining center and shape are to describe with machining coordinate; And the position of to be processed and shape are to describe with programming coordinates.When needs add man-hour, first need the main axle moving of machining center, to predeterminated position, to be commonly called as " tool setting ".Predeterminated position is the position of the end of the cutter on main shaft while being positioned at zero point of programming coordinates system of to be processed.
But in the prior art, be technological difficulties the zero point that the end of cutter is moved to programming coordinates system.Need complicated operation cutter could be moved to the dead-center position that programming coordinates is, thereby production efficiency is low, technical difficulty is large.And coarse operation normally can not reach enough machining accuracies, thereby cause product defective.
Especially in the time of to be processed needs anglec of rotation reprocessing, the end of cutter is moved to the especially difficulty at zero point of programming coordinates system.Fig. 1 to Fig. 3 shows the method at the zero point of the programming coordinates system of to be processed in current location machining center.Fig. 1 is machining center and to be processed 's rough schematic view; Wherein machining center comprises main shaft 11, cutter 12, platen 13, working plate 14; Wherein working plate 14 is fixed on platen 13, and cutter 12 fixes with main shaft 11; Fix with working plate 14 for to be processed 2; The Z axis of machining coordinate system be parallel to main shaft 11 axially, Y-axis vertical major 11 axially and perpendicular to the bearing of trend of platen 13, X-axis vertical major 11 axially and be parallel to the bearing of trend of platen 13.Fig. 2 is top view, and wherein, platen 13 has rotated 15 ° with respect to main shaft 11.Fig. 3 is the enlarged diagram of dotted line circle in Fig. 2, this figure has disclosed the defect of existing tool setting from microcosmic angle: the cutter 12 being installed on main shaft 11 is an actual position of getting with the touch position of to be processed, this is actual, and to get the coordinate of a position in machining coordinate system be P3(x3, y3, z3), it is the zero point of X-axis that machining center can adopt x3, the zero point that z3 is Y-axis, then start processing by preset path.And this actual dead-center position coincidence of getting a position not and editing coordinate system surveys partially, thereby can cause follow-up processing to occur global error, thereby cause the product processing defective.This phenomenon is ubiquity in anglec of rotation processing, can not well avoid.
Foregoing only, for auxiliary understanding technical scheme of the present invention, does not represent and admits that foregoing is prior art.
Summary of the invention
Main purpose of the present invention is to provide a kind of gauge block, is intended to assist and improves to be processed the location in machining center, make to locate more convenient, precision is higher.
For achieving the above object, gauge block provided by the invention, comprise the body rotating to form around rotating shaft, described body comprises initial surface, terminal surface and the side face being connected with described initial surface and terminal surface, between described initial surface and described terminal surface, form breach, described initial surface and described terminal surface separately face and the described rotating shaft at place are coplanar, and the every bit on described side face and the distance of described rotating shaft are default radius, and the angle of described initial surface and terminal surface is less than 180 degree.
Preferably, described initial surface and terminal surface are respectively provided with a groove, in described groove, are provided with magnet; Described magnet is towards face and the laminating of described groove of described groove; The described magnet dorsad face of described groove does not protrude from described groove.
Preferably, described magnet 0 millimeter to 0.3 millimeter, the notch of groove described in the identity distance of described groove dorsad.Preferably, described body is provided with and runs through the upper surface of described body and the resigning hole of lower surface in its rotating shaft place, and described resigning hole and described breach are communicated with.
Preferably, described resigning hole is cylindrical, the rotating shaft of described resigning hole and the rotating shaft coaxle of described body.
The present invention further provides a kind of to be processed localization method that work in-process is intracardiac, comprising:
The initial surface of gauge block and terminal surface are fitted in to adjacent two surperficial the going up of to be processed, and the rotating shaft of described gauge block is through the zero point of the programming coordinates system of described to be processed;
Described to be processed is fixed with the platen of described machining center;
The coordinate of the side face that obtains described gauge block in machining coordinate system;
Obtain coordinate in the X-axis of machining coordinate system and the coordinate on Z axis zero point of programming coordinates system of to be processed according to the described coordinate obtaining, described X-axis and Z axis are perpendicular to the rotating shaft of described gauge block.
The step of the coordinate of the side face that obtains described gauge block preferably, in machining coordinate system comprises:
X-axis positive direction in by the measurement component of described machining center along described machining coordinate being moves, when on described X-axis coordinate minimizing of the side face of touching described gauge block when described measurement component, record the coordinate P1(x1 of described measurement component in machining coordinate system, y1, z1) be described gauge block coordinate in X-axis in machining coordinate system;
Z axis positive direction in by the measurement component of described machining center along described machining coordinate being moves, when on described Z axis coordinate minimizing of the side face of touching described gauge block when described measurement component, record the coordinate P2(x2 of described measurement component in machining coordinate system, y2, z2) be described gauge block coordinate on Z axis in machining coordinate system.
Preferably, comprise in the step of the X-axis of machining coordinate system and the coordinate of Z axis described zero point of obtaining the programming coordinates system of to be processed in the coordinate in machining coordinate system according to the side face of gauge block:
According to the coordinate P1(x1 of record, y1, z1), P2(x2, y2, z2) and the default radius R of described gauge block, the zero point of utilizing formula x3=x1+R and z3=z2+R calculation and programming coordinate system coordinate x3 in the X-axis of machining coordinate system and the coordinate z3 on Z axis.
Gauge block provided by the present invention and method, assist and obtain to be processed the coordinate in machining coordinate system by gauge block, because the side face of measurement gauge block is convenient, do not exist and survey inclined to one side phenomenon simultaneously, therefore by gauge block assist obtain the coordinate of to be processed have precision high, aim at effect easily, can greatly improve the efficiency of location and the precision of location.
Brief description of the drawings
Fig. 1 is existing machining center and to be processed 's assembling schematic diagram;
Fig. 2 is machining center shown in Fig. 1 schematic diagram while measuring zero point of programming coordinates system of to be processed;
Fig. 3 is the enlarged diagram in dotted line circle in Fig. 2;
Fig. 4 is the structural representation of gauge block one embodiment of the present invention;
Fig. 5 is the exploded perspective view of the gauge block shown in Fig. 4;
Fig. 6 is the machining center, to be processed of an embodiment of the intracardiac localization method of to be processed work in-process of the present invention and the assembling schematic diagram of gauge block;
Fig. 7 is machining center shown in Fig. 6 schematic diagram while measuring the side face of gauge block;
Fig. 8 is the enlarged diagram in the dotted line circle of Fig. 7.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of gauge block, with reference to Fig. 4 and Fig. 5, in one embodiment, this gauge block 3 comprises the body 31 rotating to form around rotating shaft 311.Described body 31 comprises initial surface 32, terminal surface 33 and the side face 34 being connected with described initial surface 32 and terminal surface 33, between described initial surface 32 and terminal surface 33, forms breach 35.Described initial surface 32 and described terminal surface 33 separately face and the described rotating shaft 311 at place are coplanar.Every bit on described side face 34 and the distance of described rotating shaft 311 are default radius R, and the angle of described initial surface 32 and terminal surface 33 is less than 180 degree.
Gauge block in the present embodiment is for assisting to be processed the location in machining center.Please refer to Fig. 6 to Fig. 8, adjacent two surfaces that the initial surface of gauge block 3 32 and terminal surface 33 fitted in to be processed 2 are upper, and the rotating shaft 311 of described gauge block 3 is through 0. 21 of the programming coordinates system of described to be processed 2.Because any point on the side face 34 of gauge block 3 is default radius R to the distance of rotating shaft 311.Therefore, can be by measuring point on the side face 34 of gauge block 3 coordinate in machining coordinate system, the coordinate of the rotating shaft 311 that obtains gauge block 3 in machining coordinate system.Because the rotating shaft 311 of gauge block 3 is through 0. 21 of the programming coordinates system of to be processed 2, the coordinate of the rotating shaft 311 of gauge block 3 in machining coordinate system is 0. 21 coordinates in machining coordinate system of the programming coordinates system of to be processed 2.The gauge block 3 providing by the present embodiment obtains to be processed 2 coordinate in machining coordinate system, because the side face of measurement gauge block 3 is convenient, do not exist simultaneously and survey inclined to one side phenomenon, therefore have precision high, aim at effect easily, can greatly improve the efficiency of location and the precision of location.
Pin 2 is ferromagnetism part to machined part, for example, be the metalworks such as iron, nickel, cobalt, and preferably, the initial surface 32 of described gauge block 3 and terminal surface 33 are respectively provided with a groove 322,332, in described groove 322,332, are provided with magnet 36.Utilize the phenomenon that attracts each other of magnet and ferromagnetism part, by gauge block 3 be fixed to be processed 2 and fix.Utilize magnetic force to fix, there is simple in structure and effect convenient operation.Certainly, in other embodiments, also can be with crossing clamping, be spirally connected or bonding mode fixes gauge block 3 and to be processed 2.Further, described magnet 36, towards face and 322,332 laminatings of described groove of described groove 322,332, is convenient to magnet 36 and groove 322,332 laminatings thereby reach, and reaches the effect of fixing-stable; The described magnet 36 dorsad face of described groove 322,332 does not protrude from described groove 322,332, thereby avoids magnet 36 to arch upward, and causes the initial surface 32 of gauge block 3 and terminal surface 33 not to fit in adjacent two surfaces of to be processed 2.Particularly, described magnet 36 is 0 millimeter to 0.3 millimeter, the notch of groove 322,332 described in the identity distance of described groove 322,332 dorsad, thereby guarantee the magnetic attraction that provides stronger, avoid this distance too far away, and cause the initial surface 32 of gauge block 3 and terminal surface 33 to paste not adjacent two surfaces of tight to be processed 2.
Further, the body 31 of described gauge block 3 is provided with and runs through the upper surface of described body 31 and the resigning hole of lower surface 312 in its rotating shaft 311 places, and described resigning hole 312 and described breach 35 are communicated with.By resigning hole 312 is set, thereby in the time that the initial surface 32 of gauge block 3 and terminal surface 33 fit on adjacent two surfaces of to be processed 2, avoid the junction on adjacent two surfaces and the junction of initial surface 32 and terminal surface 33 of to be processed 2 to collide, thereby prevent that initial surface 32 and terminal surface 33 from not fitting on adjacent two surfaces of to be processed 2.Particularly, described resigning hole 312 is cylindrical, and the rotating shaft 311 of the rotating shaft of described resigning hole 312 and described body 31 is coaxial.Certainly, in other embodiments, this resigning hole 312 can be also regular polygon or ellipse etc.
The present invention further provides the application process of above-mentioned gauge block 3: a kind of to be processed localization method that work in-process is intracardiac, with reference to Fig. 6 to Fig. 8, in one embodiment, the method comprises:
First, adjacent two surfaces A, the B that the initial surface of gauge block 3 32 and terminal surface 33 are fitted in to be processed 2 are upper, and the rotating shaft 311 of described gauge block 3 is through 0. 21 of the programming coordinates system of described to be processed 2.
In the present embodiment, the extended line (being called for short hereinafter intersection) of the surfaces A of to be processed 2 and the intersection of surperficial B is through 0. 21 of programming coordinates system, and the initial surface 32 of gauge block 3 and terminal surface 33 are fitted with surfaces A and surperficial B respectively, the intersection of rotating shaft 311 and surfaces A and surperficial B and described rotating shaft 311 overlap.In the present embodiment, the angle of surfaces A and surperficial B is 90 degree, and the angle between initial surface 32 and the terminal surface 33 of gauge block 3 is also 90 degree.In other embodiments, can be also other angle.
Then, described to be processed 2 is fixed with the platen 13 of described machining center.
Particularly, in the present embodiment, on described to be processed 2 working plate 14 that is fixed on machining center, working plate 14 is fixed on platen 13, and 0. 21 of the programming coordinates system of described to be processed 2 is positioned at the table top of the platen 13 of described machining center.0. 21 of programming coordinates system is positioned at the table top of the platen 13 of described machining center, after so fixing, location in 0. 21 Y-axis (being called for short hereinafter Y-axis) that are in machining coordinate that the programming coordinates that is conducive to be processed 2 is, be to be processed 2 programming coordinates system 0. 21 be positioned at the table top of the platen 13 of described machining center, thereby in measuring, only need the table top of measuring platen 13 in the coordinate of Y-axis.
Again, the coordinate of the side face 34 that obtains described gauge block 3 in machining coordinate system;
In the present embodiment, main shaft 11 and the cutter being connected with described main shaft 11 or point middle rod 12 composition measurement components 1, by the end of measurement component 1, it is the end of cutter or point middle rod 12, the side face 34 of touching gauge block 3, and in the time of just touching, record the position coordinates of main shaft 11, add cutter or point in rod 12 length vector, the coordinate of the side face 34 that the vector of this coordinate is required described gauge block 3 in machining coordinate system.
Finally, obtain the 0. 21 coordinate x3 of X-axis and the coordinate z3 of Z axis in machining coordinate system of the programming coordinates system of to be processed 2 according to the described coordinate obtaining, described X-axis and Z axis are perpendicular to the rotating shaft 311 of described gauge block 3.
Because the rotating shaft 311 of gauge block 3 is 0. 21 through the programming coordinates of to be processed 2, gauge block 3 is rotary body, and the side face 34 of gauge block 3 is identical apart from the distance of its rotating shaft 311; Therefore can obtain rotating shaft 311 coordinate x3 and z3 on X-axis and Z axis in machining coordinate system according to the coordinate of three points on the side face of gauge block 3 34 or according to the coordinate of two points on the side face 34 of gauge block 3 and the default radius R of gauge block 3.
The method providing by the present embodiment obtains to be processed 2 coordinate in machining coordinate system, because the side face of measurement gauge block 3 is convenient, do not exist simultaneously and survey inclined to one side phenomenon, therefore have precision high, aim at effect easily, can greatly improve the efficiency of location and the precision of location.
The step of the coordinate of the side face 34 that obtains described gauge block 3 further, in machining coordinate system comprises:
Particularly, described in described machining coordinate system, the step of the minimum point of the side face 34 of measuring described gauge block 3 on X-axis coordinate and on Z axis coordinate comprises:
X-axis positive direction in by the measurement component of described machining center 1 along described machining coordinate being moves, when on described X-axis coordinate minimizing of the side face 34 of touching described gauge block 3 when described measurement component 1, record the coordinate P1(x1 of described measurement component 1 in machining coordinate system, y1, z1) be described gauge block 3 coordinate in X-axis in machining coordinate system;
Z axis positive direction in by the measurement component of described machining center 1 along described machining coordinate being moves, when on described Z axis coordinate minimizing of the side face 34 of touching described gauge block 3 when described measurement component 1, record the coordinate P2(x2 of described measurement component 1 in machining coordinate system, y2, z2) be described gauge block 3 coordinate on Z axis in machining coordinate system.
Particularly, while being projected in the plane of X-axis-Z axis due to the side face 34 of gauge block 3, the side face 34 of gauge block 3 be projected as circular arc line, therefore the side face 34 of gauge block 3 is its position of close Y-axis in the minimizing point of X-axis, and the side face 34 of gauge block 3 is its position of close X-axis in the minimizing point of Y-axis.Comparatively easily find and location for these 2, can obtain according to the default radius R of this coordinate of 2 and gauge block 3 0. 21 positions in machining coordinate system of programming coordinates system.
Further, comprise in the step of the X-axis of machining coordinate system and the coordinate of Z axis described zero point of obtaining the programming coordinates system of to be processed in the coordinate in machining coordinate system according to the side face of described gauge block:
According to the coordinate P1(x1 of record, y1, z1), P2(x2, y2, z2) and the default radius R of described gauge block, utilize coordinate x3 in the X-axis of machining coordinate system and the coordinate z3 on Z axis at zero point that formula x3=x1+R and z3=z2+R obtain programming coordinates system.
In the present embodiment, due to coordinate P1(x1, y1, z1), P2(x2, y2, z2) be comparatively special point; By the x1 in P1 wherein along positive direction zero point that mobile default radius R is programming coordinates system again of X-axis in the coordinate x3 of the X-axis of machining coordinate system; By the z2 in P2 wherein along positive direction zero point that mobile default radius R is programming coordinates system again of Z axis in the coordinate z3 of the Z axis of machining coordinate system.The method is simple and convenient, only needs few changing both even not change and can realize with respect to the computing unit of existing machining center, therefore has stronger practicality.
These are only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (8)

1. a gauge block, it is characterized in that, comprise the body rotating to form around rotating shaft, described body comprises initial surface, terminal surface and the side face being connected with described initial surface and terminal surface, between described initial surface and described terminal surface, form breach, described initial surface and described terminal surface separately face and the described rotating shaft at place are coplanar, and the every bit on described side face and the distance of described rotating shaft are default radius, and the angle of described initial surface and terminal surface is less than 180 degree.
2. gauge block as claimed in claim 1, is characterized in that, described initial surface and terminal surface are respectively provided with a groove, in described groove, are provided with magnet; Described magnet is towards face and the laminating of described groove of described groove; The described magnet dorsad face of described groove does not protrude from described groove.
3. gauge block as claimed in claim 2, is characterized in that, described magnet is 0 millimeter to 0.3 millimeter, the notch of groove described in the identity distance of described groove dorsad.
4. the gauge block as described in claims 1 to 3 any one, is characterized in that, described body is provided with and runs through the upper surface of described body and the resigning hole of lower surface in its rotating shaft place, and described resigning hole and described breach are communicated with.
5. gauge block as claimed in claim 4, is characterized in that, described resigning hole is cylindrical, the rotating shaft of described resigning hole and the rotating shaft coaxle of described body.
6. to be processed the localization method that work in-process is intracardiac, is characterized in that, comprising:
The initial surface of gauge block and terminal surface are fitted in to adjacent two surperficial the going up of to be processed, and the rotating shaft of described gauge block is through the zero point of the programming coordinates system of described to be processed;
Described to be processed is fixed with the platen of described machining center;
The coordinate of the side face that obtains described gauge block in machining coordinate system;
Obtain coordinate in the X-axis of machining coordinate system and the coordinate on Z axis zero point of programming coordinates system of to be processed according to the described coordinate obtaining, described X-axis and Z axis are perpendicular to the rotating shaft of described gauge block.
7. localization method as claimed in claim 6, is characterized in that, described in obtain described gauge block the step of the coordinate of side face in machining coordinate system comprise:
X-axis positive direction in by the measurement component of described machining center along described machining coordinate being moves, when on described X-axis coordinate minimizing of the side face of touching described gauge block when described measurement component, record the coordinate P1(x1 of described measurement component in machining coordinate system, y1, z1) be described gauge block coordinate in X-axis in machining coordinate system;
Z axis positive direction in by the measurement component of described machining center along described machining coordinate being moves, when on described Z axis coordinate minimizing of the side face of touching described gauge block when described measurement component, record the coordinate P2(x2 of described measurement component in machining coordinate system, y2, z2) be described gauge block coordinate on Z axis in machining coordinate system.
8. localization method as claimed in claim 7, is characterized in that, comprises described zero point of obtaining the programming coordinates system of to be processed in the coordinate in machining coordinate system according to the side face of gauge block in the step of the X-axis of machining coordinate system and the coordinate of Z axis:
According to the coordinate P1(x1 of record, y1, z1), P2(x2, y2, z2) and the default radius R of described gauge block, the zero point of utilizing formula x3=x1+R and z3=z2+R calculation and programming coordinate system coordinate x3 in the X-axis of machining coordinate system and the coordinate z3 on Z axis.
CN201410131973.9A 2014-04-02 2014-04-02 Gauge block and method for positioning to-be-machined piece in machining center Pending CN103894886A (en)

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Application Number Priority Date Filing Date Title
CN201410131973.9A CN103894886A (en) 2014-04-02 2014-04-02 Gauge block and method for positioning to-be-machined piece in machining center

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107726973A (en) * 2017-11-24 2018-02-23 西安工业大学 A kind of measuring coordinate system method for building up of side putting type measuring machine for large gear
CN109079550A (en) * 2018-10-18 2018-12-25 上海天海电子有限公司 A kind of method of setting clamp fast setting zero-bit
CN109491328A (en) * 2018-12-13 2019-03-19 百斯图工具制造有限公司 A kind of component assembly face localization method and device and computer readable storage medium

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US4319400A (en) * 1980-01-09 1982-03-16 Chung Hun Hwei Centering device
US4447956A (en) * 1982-08-26 1984-05-15 Chung Hun H Centering device
CN201264177Y (en) * 2008-08-27 2009-07-01 忠信制模(东莞)有限公司 Round ball positioning conversion instrument
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107726973A (en) * 2017-11-24 2018-02-23 西安工业大学 A kind of measuring coordinate system method for building up of side putting type measuring machine for large gear
CN107726973B (en) * 2017-11-24 2019-11-26 西安工业大学 A kind of measurement establishment of coordinate system method of the side putting type measuring machine for large gear
CN109079550A (en) * 2018-10-18 2018-12-25 上海天海电子有限公司 A kind of method of setting clamp fast setting zero-bit
CN109491328A (en) * 2018-12-13 2019-03-19 百斯图工具制造有限公司 A kind of component assembly face localization method and device and computer readable storage medium

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Application publication date: 20140702